From ea626a50594513faa86174ae7dd58101d7c8dd2d Mon Sep 17 00:00:00 2001
From: Daniel van Vugt <daniel.van.vugt@canonical.com>
Date: Wed, 2 Jun 2021 16:45:04 +0800
Subject: [PATCH] main: Avoid calling meta_wayland_compositor_get_default() on
 X11

Because it contains an assertion that will fail, and crash.
Started in 301d2c55c6.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1883>
---
 src/core/main.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/core/main.c b/src/core/main.c
index b7b5d1449..3d82773ba 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -309,13 +309,16 @@ meta_finalize (void)
   MetaDisplay *display = meta_get_display ();
   MetaBackend *backend = meta_get_backend ();
 #ifdef HAVE_WAYLAND
-  MetaWaylandCompositor *compositor = meta_wayland_compositor_get_default ();
+  MetaWaylandCompositor *compositor = NULL;
 #endif
 
   if (backend)
     meta_backend_prepare_shutdown (backend);
 
 #ifdef HAVE_WAYLAND
+  if (meta_is_wayland_compositor ())
+    compositor = meta_wayland_compositor_get_default ();
+
   if (compositor)
     meta_wayland_compositor_prepare_shutdown (compositor);
 #endif